Fall 'Freeze' Probabilities (Jul. 31 - Dec. 31)


NEZPERCE, IDAHO (106424)
Temp F Earliest 10% 20% 30% 40% 50% 60% 70% 80% 90% Latest
36.5 08/01 08/23 08/28 09/01 09/03 09/09 09/11 09/13 09/17 09/19 10/02
32.5 08/24 09/02 09/10 09/12 09/15 09/19 09/22 09/27 10/01 10/04 10/26
28.5 08/24 09/14 09/17 09/21 09/28 10/02 10/05 10/13 10/22 10/26 11/02
24.5 09/14 09/26 10/04 10/10 10/17 10/24 10/28 11/01 11/04 11/08 11/23
20.5 09/17 10/13 10/26 10/31 11/03 11/09 11/16 11/20 11/26 12/01 12/12
Graphic Output
 Earliest - Earliest date when a minimum temperature below the threshold occurred.
            **/** means there has never been a year when the minimum temperature
                  went below the threshold temperature during the July 31 to 
                  Dec. 31 period or insufficient data to determine a date.
            07/31 means the minimum temperature can go below the threshold 
                  temperature any day during the July 31 to Dec. 31 period.
xx% - Percent probability that a minimum temperature below the threshold will occur on or before the given date. **/** means non-occurrence of the threshold or insufficient data to determine a threshold.
Latest - Latest date when a minimum temperature below the threshold occurred. **/** means there has been a year when the minimum temperature didn't go below the threshold temperature during the July 31 to Dec. 31 period or insufficient data to determine a date.

Western Regional Climate Center, wrcc@dri.edu